wp_is_post_autosave is not working - facebook

Question

I want to auto publish all articles of my WP blog on Facebook without using any plugin.
I wrote some working code to do that and it's OK... but I also need to invoke this code only when I publish a new article (not for revisions or autosave).
That's the part of my function.php file that you need to see:
add_action( 'save_post', 'koolmind_facebook_post_article',3 );
function koolmind_facebook_post_article( $post_id ) {
/* configuration of facebook params */
....
....
/* end config */
if ( !wp_is_post_revision( $post_id ) && !wp_is_post_autosave( $post_id ) ) {
/* retrieve some data to publish */
/* invoke my code to publish on facebook */
}
}
My code is invoked as soon as I click on "add new article", and an empty draft is sent to my Facebook page.
In add, as soon as I insert a single char on my article body, autosave is triggered and a new post (almost empty) is sent again to facebook.
I just want to block this automatic publishing and send my data to facebook only when I press the PUBLISH button.
Is that possible?
UPDATE
Finally I've found the problem. There was an error inside my fb code.
Problem now is avoiding multiple pubblication when updating my post.
Here's the code now:
add_action('pending_to_publish', 'koolmind_facebook_post_article');
add_action('draft_to_publish', 'koolmind_facebook_post_article');
add_action('new_to_publish', 'koolmind_facebook_post_article');
function koolmind_facebook_post_article( $post_id ) {
require_once 'facebook/facebook.php';
/* some code here */
//verify post is not a revision
if ( !wp_is_post_revision( $post_id ) ) {
$post_title = get_the_title( $post_id );
$post_url = get_permalink( $post_id );
$post_excerpt = get_the_excerpt();
$post_image = 'http://.../default.jpg'; //default image
if( $thumb_id = get_post_thumbnail_id( $post_id ) ){
$image_attributes = wp_get_attachment_image_src( $thumb_id );
$post_image = $image_attributes[0];
}
/* some code here */
}
}
Let me explain the issue:
If I use these 3 hooks I have no problem, but the code is executed before my featured image is stored into the database, so $post_image is always equals to the default image.
If I use publish_post hook instead, featured image is set properly (maybe because this hook is called after all data have been saved), but I cannot avoid data sending to Facebook if I update my post (wp_is_post_revision seems not to be fired).
Hope you have a good idea... now the code is almost OK! :)

Answer 1

The 'save_post' hook 'Runs after the data is saved to the database'. This means you can do this validation:
//WP hook
//the last parameter 2 means you pass 2 variables to the callback:
//the ID and the post WP object
add_action( 'save_post', 'koolmind_facebook_post_article',3,2 );
//Callback
function koolmind_facebook_post_article( $post_id, $post ) {
// Validation:
//If current WP user has no permissions to edit posts: exit function
if( !current_user_can('edit_post', $post_id) ) return;
//If is doing auto-save: exit function
if( defined('DOING_AUTOSAVE') AND DOING_AUTOSAVE ) return;
//If is doing auto-save via AJAX: exit function
if( defined( 'DOING_AJAX' ) && DOING_AJAX ) return;
//If is a revision or an autosave version or anything else: exit function
if( $post->post_status != 'publish') return;
/* configuration of facebook params */
/* invoke my code to publish on facebook */
}
It worked for me.

Answer 2

Try using:
add_action('publish_post', 'koolmind_facebook_post_article');